Log in
Biology
5
answers
0
watching
193
views

1-The five stages of mitosis occur in which order?

A- Anaphase, prometaphase, metaphase, telophase, prophase

B- Prophase, prometaphase, metaphase, anaphase, telophase

C- Telophase, anaphase, prophase, prometaphase, metaphase

D-Prophase, metaphase, prometaphase, telophase, anaphase

E- Anaphase, telophase, prometaphase, metaphase, prophase

2- Select all of the following that are true of linkedgenes.

A- They are used in gene mapping

B - They are likely to be inherited together

C- They can be used to identify genes with mutations that areresponsible for disease

D- They are likely to be close together on the samechromosome

3- Select all of the following that occur during anaphase

A- Astral microtubules polymerize (net)

B- Chromosolal microtubules polymerize (net)

C- Chromosomal microtubles depolymerize (net)

D- Polar microtubules polymerize (net)

E- Polar microtubules depolymerize (net)

4- Select all of the following that require protein involvementin transporting a solute across the plasma membrane.

A- Simple diffusion

B- Active transport

C- Facilitated diffusion

E- Osmosis

5- Select all of the following that can trigger different typesof channels to open, thereby allowing passage of ions across themembrane.

A- Ligand binding

B- Change in membrane voltage/potentials

C- A physical stress on the channel

Watch
5
answers
0
watching
193
views

For unlimited access to Homework Help, a Homework+ subscription is required.

Unlock all answers

Get 1 free homework help answer.
Already have an account? Log in
Share
Already have an account? Log in
Share
Already have an account? Log in
Share
Already have an account? Log in
Share
Lelia Lubowitz
Lelia LubowitzLv2
28 Sep 2019
Already have an account? Log in
Share

Related textbook solutions

Molecular Cell Biology
8 Edition,
Lodish
ISBN: 9781464183393
Biology: Science for Life with Physiology
6 Edition,
Belk
ISBN: 9780134555430
Concepts of Biology
OER Edition,
Openstax
ISBN: 9781938168116
Biology
2nd Edition, 2013
Openstax
ISBN: 9781947172517
Essentials of Biology
5 Edition,
Mader
ISBN: 9781259660269

Related questions

Part A:

In prokaryotes and eukaryotes cell reproduction is similar in that it requires some kind of signal to proceed, DNA replication, careful separation of the DNA into two equal portions, and division of the cytoplasm. How is cell reproduction different in prokaryotes and eukaryotes?

Select one:

a. In a eukaryotic organism, the signals for cell division are usually not related to the environment but to the function of the entire organism.

b. Eukaryotic cells constantly divide whenever environmental conditions are adequate and the cells are large enough.

c. The linear chromosomes in prokaryotes are constantly being updated.

d. Prokaryotic cell division requires cytokinesis before mitosis because of their small size.

e. The sexual phase of most prokaryotes (bacteria) is essential to the rapid cell division required for infection.

Part B:

What does the name Cyclin Dependent Kinase stand for?

Select one:

a. A protein important to the cell cycle that is dependent on DNA synthesis.

b. An enzyme that cuts DNA so that chromosomes can segregate.

c. An enzyme that phosphorylates other proteins using ATP only when the protein Cyclin is bound to the enzyme.

d. An enzyme that rolls along microtubules dragging a vesicle.

e. An enzyme that connects chromosomes to the spindle fiber.

Part C:

The Cell Cycle is divided into Mitosis, Cytokinesis, and Interphase. Mitosis can be ordered into the following phases:

Select one:

a. Prophase/Prometaphase/Metaphase/Anaphase/Telophase

b. Anaphase/Prometaphase/Metaphase/Prophase/Telophase

c. Metaphase/Anaphase/Telophase/Prophase/Prometaphase

d. Telophase/Prophase/Prometaphase/Metaphase/Anaphase

e. Anaphase/Telophase/Prophase/Prometaphase/Metaphase

Part D:

The Cell Cycle is divided into Mitosis, Cytokinesis, and Interphase. Interphase can be ordered into the following phases:

Select one:

a. S/G1/G2

b. G2/G1/S

c. G1/S/G2

d. G2/S/G1

e. G1/G2/S

Question 1

The process by which RNA is synthesized using DNA as a template is …

Select one:

a. replication

b. transcription

c. translation

d. inspiration

Question 2

Which of the following occurs during meiosis but not mitosis?

Select one:

a. DNA condenses into chromosomes

b. nuclear envelop disappears

c. homologous chromosomes separate

d. sister chromatids separate

Question 3

Which part of the animal life cycle is haploid?

Select one:

a. gamete

b. zygote

c. sporophyte

d. spore

Question 4

Single celled eukaryotic organisms are …

Select one:

a. viruses

b. bacterial

c. archaea

d. protists

Question 5

Which type of cellular division results in the formation of diploid cells from a diploid parent cell?

Select one:

a. mitosis

b. meiosis

c. interphase

d. A and B but not C

e. all of the above

Question 6

A sequence of DNA that codes for a single protein is a …

Select one:

a. gene

b. ribosome

c. mRNA

d. none of the above

Question 7

Which of the following is characteristic of animals?

Select one:

a. heterotrophic

b. sexual reproduction

c. embryonic development

d. all of the above

Question 8

All genes have only two possible alleles.

Select one:

True

False

Question 9

The presence of membrane-bound organelles is characteristic of …

Select one:

a. prokaryotes

b. viruses

c. bacteria

d. eukaryotes

Question 10

What are the building blocks of proteins?

Select one:

a. fatty acids

b. amino acids

c. nucleic acids

d. all of the above

Question 11

During which phase of the cell cycle does DNA replication occur?

Select one:

a. Mitosis

b. Interphase

c. Meiosis

d. Replicosis

Question 12

Which of the following characteristic is shared among fungi and animals?

Select one:

a. autotrophic

b. heterotrophic

c. cell walls

d. absorb nutrients

Question 13

A error in DNA replication that goes unrepaired is a …

Select one:

a. chromosome

b. chromatid

c. mutation

d. none of the above

Question 14

Alternate forms of a gene are called ________.

Select one:

a. chromatids

b. chromosomes

c. ribosomal subunits

d. alleles

Question 15

The physical expression of a genotype is the phenotype.

Select one:

True

False

Question 16

In complete dominance, a heterozygous genotype results in …

Select one:

a. a recessive phenotype

b. a dominant phenotype

c. a third and unique phenotype

d. none of the above

Question 17

Which theory explains the evolution of eukaryotes from prokaryotes?

Select one:

a. phagocytosis

b. endosymbiosis

c. pinocytosis

d. none of the above

Question 18

Which scientist experimented with plants to describe patterns of inheritance?

Select one:

a. Mendel

b. Chase

c. Einstein

d. Watson

Question 19

Which cellular organelle contains aerobic cellular respiration?

Select one:

a. chloroplasts

b. mitochondria

c. nucleus

d. lysosome

Question 20

Which of the following statements is false?

Select one:

a. Haploid gametes are formed by meiosis

b. Mitosis forms genetically identical daughter cells

c. Mitosis results in the formation of four daughter cells from a single parent cell

d. Mitosis forms diploid daughter cells from a diploid parent cell

Question 21

The first forms of life on Earth were ________.

Select one:

a. plants

b. microorganisms

c. birds

d. dinosaurs

Question 22

Which of the following is used to separate chromosomes during nuclear division?

Select one:

a. cytoskeleton

b. microtubules

c. actin and myosin

d. amoeboid movement

e. all of the above

Question 23

Which generation is most dominant in more primitive plants?

Select one:

a. bryophyte

b. sporophyte

c. gametophyte

d. androphyte

Question 24

Which of the following is characteristic of plants?

Select one:

a. autotrophic

b. contain chloroplasts

c. multicellular

d. all of the above

Question 25

During which phase of mitosis do chromosome line up along the middle of the cell?

Select one:

a. prophase

b. metaphase

c. anaphase

d. telophase

Question 26

During which phase of mitosis does DNA condense into distinct chromosomes?

Select one:

a. prophase

b. metaphase

c. anaphase

d. telophase

Question 27

The process by which DNA is used as a template to make new DNA is …

Select one:

a. translation

b. replication

c. transcription

d. allocation

Question 28

Which of the following is characteristic of plant but not animal cells?

Select one:

a. chloroplasts

b. water vacuole

c. cell wall

d. all of the above

Question 29

Which meiotic division is most like mitosis?

Select one:

a. Meiosis I

b. Meiosis II

c. Meiosis III

d. Meiosis IV

Question 30

Which enzyme catalyzes replication?

Select one:

a. DNA polymerase

b. RNA polymerase

c. Ribosome

d. all of the above

If an organism’s diploid chromosome number is 18, how many different possible combinations of homologous chromosomes lining up during meiosis exist for the eggs or sperm produced by that organism?

A.

512

B.

9

C.

18

D.

128

E.

36

At the end of metaphase I, _______________ separate.

A.

sister chromatids

B.

germ cells

C.

homologous chromosomes

D.

haploid chromatids

E.

centrioles

Mendel observed that dominant traits

A.

are seen in all of the F1 hybrid pea plants in his experiments.

B.

are expressed in all plants.

C.

were absent in the F1 generation of pea plants that he used in his experiments.

D.

were the only traits seen in the F2 generation of pea plants in his experiments.

E.

are only expressed in hybrids.

Cytokinesis in plant cells differs from cytokinesis in animal cells because

A.

there is no difference.

B.

in plant cells, the cell plate must also divide into two parts.

C.

the contractile protein, actin, is important only in plant cells.

D.

plant cells have a rigid cell wall.

E.

a contractile ring forms only in plant cells.

Sickle cell anemia is an example of what type of inheritance?

A.

complete dominance

B.

incomplete dominance

C.

codominance

D.

multiple alleles

E.

recessive dominance

Which of the following statements is true:

A.

The dominant allele is masked in homozygous dominant individuals.

B.

With recessive genetic disorders, if both parents are carriers, the offspring will all be affected.

C.

In carriers, the recessive allele causes an intermediate phenotype.

D.

In recessive genetic disorders, the mother and/or father of an affected individual must also be affected.

E.

With dominant genetic disorders, the mother and/or father of an affected individual must also be affected.

Skin cancers typically develop in the

A.

upper layers of the epidermis.

B.

lower layers of the dermis.

C.

subcutaneous layer.

D.

lower layers of the epidermis.

E.

upper layers of the dermis.

Duchenne muscular dystrophy (MD) is inherited from an X-linked recessive allele. What is the probability that a son with Duchenne MD inherited this disease from his biological father?

A.

1/2

B.

0

C.

1/16

D.

1/4

E.

1/8

The genetic makeup of a particular trait in an individual is its

A.

genotype.

B.

heterozygosity.

C.

phenotype.

D.

filial.

E.

dominance.

What structure holds the sister chromatids to the spindle fibers?

A.

chromatin

B.

kinetochore

C.

MPF

D.

centromere

E.

cyclin

If you view a cell in which the genetic material is beginning to be visible as separate bodies, and the nucleus has disappeared from view, you may surmise that the cells is in

A.

telophase.

B.

anaphase.

C.

interphase.

D.

metaphase.

E.

prophase.

Gregor Mendel was successful in his analysis of the genetics of pea plants because

A.

he examined and analyzed both the F1 and F2 generations.

B.

he studied the parental plants to determine their differences.

C.

he decided to only look at his results in an objective manner.

D.

he studied a trait that had a strange inheritance pattern.

E.

pea plants have genetics different from other organisms.

Tall corn plants (T) are dominant to dwarf plants (tt). Solid green leaves (G) are dominant to leaves with a white tip (gg). A cross between two corn plants yielded the following phenotypes: 51 tall plants with a white tip on their leaves; 43 dwarf plants with solid leaves; 48 dwarf plants with white tips on their leaves; 45 tall plants with solid leaves. What are the genotypes of the parents that produced these plants?

A.

None of the above

B.

TtGg x Ttgg

C.

ttGG x TTgg

D.

TtGg x TtGg

E.

TtGg x ttgg

In humans, a gene that has been identified as causing a type of skin cancer is the

A.

superwoman echidna.

B.

mutant superman.

C.

sonic hedgehog.

D.

mutant mole rat.

E.

superhero aardvark.

The segregation principle states that in sexually reproducing diploid organisms the two copies of each gene

A.

segregate from each other during meiosis.

B.

must always be the same allele.

C.

separate from each other during mitosis.

D.

will both wind up in either the sperm or egg.

E.

move together as a unit during meiosis.

In what phases is the genetic material in the cell correctly referred to as chromatids?

A.

metaphase and telophase

B.

anaphase and metaphase

C.

interphase and telophase

D.

interphase and prophase

E.

metaphase and prophase

Consider two traits for an organism, determined by two genes, each of which is governed by at least two alleles. In the case of a dihybrid individual, the gametes formed will be of either the parental type or the recombinant type. Recombinant type gametes are formed because of

A.

the principle of dihybrids.

B.

multiple alleles.

C.

heterozygosity.

D.

incomplete dominance.

E.

independent assortment.

An allele is

A.

an alternate form of a gene.

B.

always recessive.

C.

the main factor determining a trait.

D.

always one of a pair.

E.

the dominant form of a gene.

After the DNA is replicated, and it condenses in prophase, two identical rods of DNA are seen. These are

A.

spindle fibers.

B.

kinetochores.

C.

chromatids.

D.

chromatin.

E.

centromeres.

Special cells found in the gonads that give rise to gametes upon division are called

A.

egg cells.

B.

somatic cells.

C.

germ cells.

D.

stem cells.

E.

basal cells.

Weekly leaderboard

Home
Homework Help 3,900,000
Biology 460,000
Start filling in the gaps now
Log in